Home / 913,500.80-1,371,806.40-677,110.40

Finding the Fourth Proportional to 913,500.80, 1,371,806.40 and 677,110.40

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Solution

The fourth proportional to 913,500.80, 1,371,806.40 and 677,110.40 is: 1,016,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,500.80 : 1,371,806.40 = 677,110.40 : x
  2. Step 2: Convert to fraction form
    913,500.80/1,371,806.40 = 677,110.40/x
  3. Step 3: Cross multiply
    913,500.80x = 1,371,806.40 × 677,110.40
  4. Step 4: Simplify right side
    913,500.80x = 928,864,380,226.56
  5. Step 5: Solve for x
    x = 928,864,380,226.56/913,500.80
  6. Step 6: Final answer
    x = 1,016,818.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.